Let   A = {m ∈Z| m=3r-1 for some integer r} and B = {n ∈Z| n=3s+2 for some integer s} and C = {p ∈Z| p=6t+2 for some integer p} Select ALL the correct answers. Group of answer choices a)C is a proper subset of B b)A is a subset of B c)B = C d)A = C e)C is a subset of A f)A = B

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